Hit that new trail in the Performance Hike Light Cushion Low Ankle sock, and you'll be smiling from start to finish. This responsibly sourced Merino wool sock is enhanced with the 4 Degree elite fit system for a dialed-in, performance-oriented fit. Plus, the Virtually Seamless toe offers a smoothed-out experience for even greater comfort. And, because these socks offer body-mapped mesh zones, your feet will enjoy breathability in all the right places. Get ready for comfort-filled hiking, mile after mile. Sock Height: Low Ankle. Indestructawool technology with extended durability zones. 4 Degree elite fit system for a dialed-in, performance-oriented fit. Additional body-mapped mesh zones for added breathability. Virtually Seamless toe for enhanced comfort. Made in the USA of Imported Yarn: 57% Merino Wool 11% Nylon 30% Recycled Nylon 2% Elastane. Machine wash.